APA (7th ed.) Citation

Gingerich, O. (1965). Eleven-Digit Regular Sexagesimals and Their Reciprocals.

Chicago Style (17th ed.) Citation

Gingerich, Owen. Eleven-Digit Regular Sexagesimals and Their Reciprocals. Philadelphia, Pa, 1965.

MLA (8th ed.) Citation

Gingerich, Owen. Eleven-Digit Regular Sexagesimals and Their Reciprocals. 1965.

Warning: These citations may not always be 100% accurate.